Title:
LIGHTING DEVICE AND VEHICLE LAMP
Document Type and Number:
WIPO Patent Application WO/2024/091044
Kind Code:
A1
Abstract:
A lighting device disclosed in an embodiment of the invention comprises: a substrate; a resin layer disposed on the substrate; a plurality of light-emitting elements sealed within the resin layer and electrically connected to the substrate; an optical film disposed on the resin layer; a plurality of light-blocking members disposed on a lower surface of the optical film, at least a portion of which overlaps each of the plurality of light-emitting elements in a vertical direction; and an adhesive layer disposed between the optical film and the resin layer, wherein the adhesive layer includes a plurality of opening areas in which the plurality of light-blocking members are disposed, respectively, each of the plurality of light-emitting elements includes a light-emitting surface that emits light to one side, each of the plurality of light-blocking members includes a plurality of light-blocking patterns and an air gap disposed between the plurality of light-blocking patterns and an outer side, and the top surface area of the air gap is in the range of 0.9 to 1.1 times the top surface area of the light-blocking pattern, and light uniformity on the optical film may be 80% or higher.
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Inventors:
CHOI HYUN HO (KR)
JIN GYEONG IL (KR)
JIN GYEONG IL (KR)
Application Number:
PCT/KR2023/016803
Publication Date:
May 02, 2024
Filing Date:
October 26, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
F21S2/00; F21K9/69; F21Y115/10
Foreign References:
| KR102217458B1 | 2021-02-22 | |||
| KR20220019975A | 2022-02-18 | |||
| KR20110114268A | 2011-10-19 | |||
| KR102394587B1 | 2022-05-06 | |||
| KR101684004B1 | 2016-12-08 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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